.TH "pci_find_parent_resource" 9 "pci_find_parent_resource" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME pci_find_parent_resource \- return resource region of parent bus of given region .SH SYNOPSIS .B "struct resource *" pci_find_parent_resource .BI "(const struct pci_dev *" dev "," .BI "struct resource *" res ");" .SH ARGUMENTS .IP "dev" 12 PCI device structure contains resources to be searched .IP "res" 12 child resource record for which parent is sought .SH "DESCRIPTION" For given resource region of given device, return the resource region of parent bus the given region is contained in or where it should be allocated from.